Collar with integral tether



FIG. 1 is a top left perspective view of a collar with integral tether;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line elements in the drawings are not claimed. 

The ornamental design for a collar with integral tether, as shown and described. 